Technical graphics for schools
By: by John Twyford. Book 1, Two-dimensional illustrations.
Contributors: Ely Resource and Technology Centre.
Publisher: Ely Resource and Technology Centre
Published: 1977
Place of publication: Ely (Back Hill, Ely, Cambridgeshire)
Language: eng
Number of pages: 45
Subjects: Engineering drawings.; Mechanical drawing.
Notes: 'A trial production published by EARO'.